Audi A4 Performance Cat-Back Exhausts

This system will increase power, reduce weight, and provide a legendary exhaust note! Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.

Brand:

ES#:

3675719

Mfg#:

AU942-QC11

This system will increase power, reduce weight, and provide a legendary exhaust note! Requires a S4 Style Quad diffuser on non-S-line rear bumper or an S4 rear diffuser on S-line rear bumper.

Brand:

ES#:

3675676

Mfg#:

A5942-QS11M

Resonated 3" to 2-1/2" with 4" black tips

Brand:

ES#:

4220056

Mfg#:

49-36420-B

3" stainless steel with polished tips

Brand:

ES#:

2614558

Mfg#:

16587

$1325.00 USD

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Lifetime Replacement